A model for describing the motion of the cylinder composed of spring-dashpot-antislider for controlling the lateral sliding is introduced and the corresponding motion equation is established.

• 引入控制侧向滑移的阻滑板-弹簧-阻尼器，建立了在随机波浪荷载作用下的大直径薄壁圆筒防波堤的动力模型，并建立了相应的运动方程。